Measuring Health And Disease In Populations (1)

Question 1

What is epidemiology

Answer 1

Epidemiology is the study of the frequency of disease within populations

Question 2

Describe what epidemiologists mean by numerations and denominators?

Answer 2

Numerator refers to the total cases of disease
Denominator refers to the total population size

Question 3

Why do epidemiologists often age standardise measures of disease frequency before making comparisons between populations

Answer 3

Frequencies are age standardised to be meaningfully compares because populations have different age structures.

Question 4

Purpose of GATE frame and what does GATE illustrate?

Answer 4

GATE illustrates how every epidemiological study shares the same basic structure and objective

Question 5

What does PECOT stand for?

Answer 5

Population, exposure group, comparison group, outcome, time

Question 6

What does RR stand for?

Answer 6

Risk ratio

Question 7

What does RD stand for?

Answer 7

Risk difference